$768 Cheap Flights from Washington (IAD) to Niigata (KIJ)

View $768 flight on Sat, Feb 21, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)

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Cheap Flights from Washington to Niigata (IAD-KIJ)

Prices were available within the past 7 days and start at $768 for one-way flights and $1,379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,379 Roundtrip, found 6 days ago
$1,379
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,379 found 6 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,382 Roundtrip, found 6 days ago
$1,382
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,382 found 6 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,385 Roundtrip, found 6 days ago
$1,385
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,385 found 6 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,386 Roundtrip, found 6 days ago
$1,386
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,386 found 6 days ago
All Nippon Airways
Wed, Jun 3 - Tue, Jun 16
IAD
Washington
KIJ
Niigata
$1,426 Roundtrip, found 1 day ago
$1,426
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Wed, Jun 3 from Washington to Niigata, returning Tue, Jun 16, priced at $1,426 found 1 day ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,432 Roundtrip, found 6 days ago
$1,432
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,432 found 6 days ago
All Nippon Airways
Thu, Dec 4 - Thu, Dec 11
IAD
Washington
KIJ
Niigata
$1,433 Roundtrip, found 2 days ago
$1,433
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Dec 4 from Washington to Niigata, returning Thu, Dec 11, priced at $1,433 found 2 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,435 Roundtrip, found 6 days ago
$1,435
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,435 found 6 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,436 Roundtrip, found 6 days ago
$1,436
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,436 found 6 days ago
All Nippon Airways
Sat, Feb 21 - Sat, Feb 28
IAD
Washington
KIJ
Niigata
$1,480 Roundtrip, found 2 days ago
$1,480
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sat, Feb 21 from Washington to Niigata, returning Sat, Feb 28, priced at $1,480 found 2 days ago
All Nippon Airways
Sat, Feb 21 - Sat, Feb 28
IAD
Washington
KIJ
Niigata
$1,483 Roundtrip, found 2 days ago
$1,483
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sat, Feb 21 from Washington to Niigata, returning Sat, Feb 28, priced at $1,483 found 2 days ago
All Nippon Airways
Sat, Feb 21 - Sat, Feb 28
IAD
Washington
KIJ
Niigata
$1,483 Roundtrip, found 2 days ago
$1,483
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sat, Feb 21 from Washington to Niigata, returning Sat, Feb 28, priced at $1,483 found 2 days ago
All Nippon Airways
Sat, Feb 21 - Sat, Feb 28
IAD
Washington
KIJ
Niigata
$1,486 Roundtrip, found 2 days ago
$1,486
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sat, Feb 21 from Washington to Niigata, returning Sat, Feb 28, priced at $1,486 found 2 days ago
Korean Air
Thu, Dec 4 - Thu, Dec 11
IAD
Washington
KIJ
Niigata
$1,520 Roundtrip, found 2 days ago
$1,520
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Dec 4 from Washington to Niigata, returning Thu, Dec 11, priced at $1,520 found 2 days ago
All Nippon Airways
Mon, Dec 1 - Mon, Dec 8
IAD
Washington
KIJ
Niigata
$1,545 Roundtrip, found 6 days ago
$1,545
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Mon, Dec 1 from Washington to Niigata, returning Mon, Dec 8, priced at $1,545 found 6 days ago
United
Wed, Jun 3 - Tue, Jun 16
IAD
Washington
KIJ
Niigata
$1,615 Roundtrip, found 1 day ago
$1,615
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 3 from Washington to Niigata, returning Tue, Jun 16, priced at $1,615 found 1 day ago
Flights from Washington (IAD) to Niigata (KIJ)
Origin airport
Washington Dulles Intl.
Destination airport
Niigata
Roundtrip price
$1,379
Distance
6638 mi

Washington to Niigata Flights

The cheapest times to fly from Washington to Niigata

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Niigata are during the month of December. You can find some of the cheapest flights from Washington to Niigata with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Niigata

Sunday is one of the best days to book for cheap flights from Washington to Niigata: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Niigata

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Niigata in 2025. You can also book with separate airlines for your outbound and return journeys, from $768 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Niigata flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Niigata airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ) cost?
Lock in a cheap one-way flight from $768 or cheap return flight from $1,379 from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)?
December is the least expensive month to fly from IAD to KIJ. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)?
To find the cheapest airline flying from IAD to KIJ, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)?
You'll need to catch a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IAD to KIJ?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)?
Select a flight from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ) last-minute?
Booking your flight from IAD to KIJ just before your getaway is generally more expensive. But if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an IAD to KIJ flight and hotel package?
Opting for an IAD to KIJ flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Niigata Airport (KIJ)?
In most cases, you can reschedule or cancel your IAD to KIJ flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.